Move PageTransition into content namespace. While I'm touching all these files, I've also updated...

chrome/browser/translate/translate_manager.cc

Index: chrome/browser/translate/translate_manager.cc
===================================================================
--- chrome/browser/translate/translate_manager.cc	(revision 105162)
+++ chrome/browser/translate/translate_manager.cc	(working copy)
@@ -280,7 +280,7 @@
         // infobar if the user already dismissed one in that case.
         return;
       }
-      if (entry->transition_type() != PageTransition::RELOAD &&
+      if (entry->transition_type() != content::PAGE_TRANSITION_RELOAD &&
           load_details->type != NavigationType::SAME_PAGE) {
         return;
       }
@@ -619,7 +619,7 @@
     return;
   }
   browser->AddSelectedTabWithURL(GURL(report_error_url),
-                                 PageTransition::AUTO_BOOKMARK);
+                                 content::PAGE_TRANSITION_AUTO_BOOKMARK);
 }
 
 void TranslateManager::DoTranslatePage(TabContents* tab,